230221021049 has 2 divisors, whose sum is σ = 230221021050. Its totient is φ = 230221021048.

The previous prime is 230221021001. The next prime is 230221021057. The reversal of 230221021049 is 940120122032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158279052649 + 71941968400 = 397843^2 + 268220^2 .

It is a cyclic number.

It is not a de Polignac number, because 230221021049 - 2²⁰ = 230219972473 is a prime.

It is not a weakly prime, because it can be changed into another prime (230221020049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115110510524 + 115110510525.

It is an arithmetic number, because the mean of its divisors is an integer number (115110510525).

Almost surely, 2^230221021049 is an apocalyptic number.

It is an amenable number.

230221021049 is a deficient number, since it is larger than the sum of its proper divisors (1).

230221021049 is an equidigital number, since it uses as much as digits as its factorization.

230221021049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 230221021049 in words is "two hundred thirty billion, two hundred twenty-one million, twenty-one thousand, forty-nine".